1、Designation: D 7293 06Standard Test Method forExtruded and Compression-Molded Shapes Made fromPolyetherimide (PEI)1This standard is issued under the fixed designation D 7293; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year
2、 of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.INTRODUCTIONThis test method is intended to be a means of calling out plastic shapes used in the fabrication ofend items or p
3、arts.1. Scope1.1 This test method covers requirements and test methodsfor the material, dimensions, and workmanship, and the prop-erties of extruded and compression-molded sheet, plate, rodand tubular bar manufactured from polyetherimide (PEI)resins.1.2 The properties included in this test method ar
4、e thoserequired for the compositions covered. It is possible that otherrequirements will be necessary to identify particular character-istics important to specialized applications. These shall beagreed upon between the user and the supplier, by using thesuffixes as given in Section 5.1.3 This test m
5、ethod does not allow for the use of recycledplastics (as defined in Guide D 5033).1.4 The values stated in inch-pound units are regarded asstandard in all property and dimensional tables. For referencepurposes, SI units are also included in Table 1 and Table S-PEI.1.5 This standard does not purport
6、to address all of thesafety concerns, if any, associated with its use. It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.NOTE 1There is no similar or equivalent ISO standa
7、rd.2. Referenced Documents2.1 ASTM Standards:2D 256 Test Methods for Determining the Izod PendulumImpact Resistance of PlasticsD 618 Practice for Conditioning Plastics for TestingD 638 Test Method for Tensile Properties of PlasticsD 790 Test Methods for Flexural Properties of Unreinforcedand Reinfor
8、ced Plastics and Electrical Insulating MaterialsD 883 Terminology Relating to PlasticsD 3892 Practice for Packaging/Packing of PlasticsD 4000 Classification System for Specifying Plastic Mate-rialsD 5033 Guide for Development of ASTM Standards Relat-ing to Recycling and Use of Recycled PlasticsD 520
9、5 Classification System for Polyetherimide (PEI) Ma-terialsIEEE/ASTM SI-10 American National Standard for Use ofthe International System of Units (SI): The Modern MetricSystem2.2 ANSI Standard:3Z1.4-1993 Sampling Procedures and Tables for Inspectionby Attributes3. Terminology3.1 DefinitionsFor defin
10、itions of other technical termspertaining to plastics used in this test method, see TerminologyD 883.3.2 Definitions of Terms Specific to This Standard:3.2.1 rod, nextruded solid cylindrical shape with a mini-mum diameter of116 in. 1.6 mm.3.2.2 sheet, nflat stock greater than14-in. 6.4-mm thick-ness
11、.3.2.3 tubular bar, nextruded annular shapes with mini-mum inside diameter of38 in. 0.5 mm and minimum wallthickness of116 in. 1.6 mm.4. Classification4.1 This test method covers shapes extruded and compres-sion molded from polyetherimide (PEI) resins as listed in TableS-PEI. The PEI resin is includ
12、ed in the designation usingSpecification D 5205 callout.1This test method is under the jurisdiction of ASTM Committee D20 on Plasticsand is the direct responsibility of Subcommittee D20.20 on Plastic Products.Current edition approved Dec. 1, 2006. Published December 2006.2For referenced ASTM standar
13、ds, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.3Available from American National Standards Institute (ANSI), 25 W. 43rd St.,4th Floor, N
14、ew York, NY 10036, http:/www.ansi.org.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.4.1.1 The type of PEI extruded shape shall be categorizedby class depending on composition.4.1.2 Every class of PEI shape shall be categorized into
15、 onegrade for virgin unfilled products.4.1.2.1 Grade 1General purpose product made using100 % virgin resin.4.2 The type and class shall be further differentiated basedon dimensional tolerances and dimensional stability (based onelevated temperature excursion testing). Grades 1 and 2 mate-rials are p
16、roduced with the closest commercial tolerances andlowest stress levels for machined parts as delineated in Table Aand Table B. Any additional or custom tolerance requirementsare to be specified at time of order. Custom tolerances shall benoted following the grade designation.TABLE S-PEI Requirements
17、 for PEI Shapes, Dry-as-Manufactured (0.2 % Moisture)Type Description Class Description Grade ApplicableD 5205CalloutADescription UltimateTensileStrength,min, psi MPaTensileElongation,% at Break, minTensileModulus,min, psi MPaDimensionalStability,%, max01 Polyetherimide 1 Unfilled 1 D 5205PEI 0113Ge
18、neralpurpose14 0009750 425 00029300.402 Glass filled 1 10 % glassreinforced1 . Generalpurpose14 5001002 500 00034470.4Glass filled 1 20 % glassreinforced2 . Generalpurpose15 0001032 600 00041370.402 Glass filled 1 30 % glassreinforced3 D 5205PEI0110BGeneralpurpose16 0001102 800 00055160.4As specifie
19、d40004001AApplicable Classification System D 5205 resin type to be specified on purchase order.BG30A99169TABLE 1 Additional Detail RequirementsReinforced/UnreinforcedADesignationOrderNumberProperty 0 1 2 3 4 5 6 7 8 91 Tensile strength,Test MethodD 638, min,psi MPaUnspecified 60004180005510 0006912
20、0008314 0009716 00011020 00013825 000172SpecifyValue2 Elongationat break,Test MethodD 638,%, minUnspecified 1 3 5 10 20 50 100 200 SpecifyValue3 Tensile modulus min,Test MethodD 638, min,psi MPaUnspecified 100 000690200 0001379300 0002073400 0002760500 0003448600 0004137800 00055161 000 0006895Speci
21、fyValue4 Dimensional stability,% max, per 11.2Unspecified 0.1 0.2 0.3 0.4 0.6 0.8 1.0 1.5 SpecifyValue5 Flexural modulus,Test Methods forD 790,min, psi MPaUnspecified 250 0001649350 0002400450 0003100550 0003792650 0004482750 00051711 000 00068951 500 00010 343SpecifyValue6 Izod impact,Test Method f
22、orD 256, min,ft lbs/in. J/mof notchUnspecified 0.4210.6320.8431.0532.01073.01604.52406.0320SpecifyValue7 Table 1 grade,dimensionalrequirementsUnspecified A-1 B-1 . . . . . . SpecifyValue8 To be determined Unspecified . . . . . . . . SpecifyValueAThe applicable Practice D 5205 resin callout (includin
23、g resin type, fillers) must precede this table designation.D7293062TABLE A Dimensional Requirements for Natural and Glass-Filled Extruded PEI RodASize, in.BDiameter Tolerance, in. Roundness TIR, in. Camber, in./ft116 +0.0020.001 0.002 212 /818 +0.0020.001 0.002 212 /8316 +0.0020.001 0.002 212 /814 +
24、0.0030.001 0.002 212 /838 +0.0030.001 0.002 212 /812 +0.0030.001 0.002 212 /858 +0.0030.001 0.002 212 /834 +0.0030.001 0.002 212 /878 +0.0030.001 0.002 212 /81 +0.0030.001 0.002 114 /8118 +0.0050.000 0.005 114 /8114 +0.0050.000 0.005 114 /8138 +0.0050.000 0.005 114 /8112 +0.0050.000 0.005 114 /8158
25、+0.0050.000 0.005 114 /8134 +0.0050.000 0.005 114 /8178 +0.0050.000 0.005 114 /82 +0.0050.000 0.010 114 /8218 234 +0.0050.000 0.030 114 /83 +0.2500.000 0.060 1/4/4ABased on dry-as-manufactured condition and proper product storage and handling.BTo convert inches to millimetres, multiply by 25.40.TABL
26、E B Dimensional Requirements for Natural and Glass-Filled Extruded PEI Sheets and Plates(Squareness Requirement Listed in 11.4)ASize, in.B,CThickness Tolerances, in. Length Camber, in./ft Width Bow, in./ft116 60.00534 /4316 /2332 60.00534 /4316 /218 +0.0250.00034 /4316 /2316 +0.0250.00034 /4316 /214
27、 +0.0250.00034 /4316 /2516 +0.0250.00034 /4316 /238 +0.0250.00034 /4316 /2716 +0.0250.00034 /4316 /212 +0.0250.00034 /4316 /258 +0.0250.00034 /4316 /234 +0.0250.00034 /4316 /278 +0.0250.00034 /4316 /21 +0.0250.00014 /4116 /2118 +0.0250.00014 /4116 /2114 +0.0250.00014 /4116 /2138 +0.0250.00014 /4116
28、/2112 +0.0250.00014 /4116 /2158 +0.0250.00014 /4116 /2134 +0.0250.00014 /4116 /2178 +0.2500.00014 /4116 /22 +0.0250.00014 /4116 /2Over 2 +0.1250.00014 /4116 /2ABased on dry-as-manufactured condition and proper product storage and handling.BTo convert inches to millimetres, multiply by 25.40.CWidth 2
29、4in. sheet (+0.5 in.-0). Length 48-in. sheet (+1.0 in.-0).4.3 The type, class, and grade is further differentiated basedon dimensional stability (elevated temperature excursion test),Table S-PEI and dimensional requirements, Tables A and B.4.4 Property Tables4.4.1 Table S-PEI shall be used to descri
30、be both extruded orcompression-molded products.4.4.2 Table 1 shall also be used to describe extruded or castproducts not included in Table S-PEI by way of a cell calloutthat includes the applicable Table S-PEI type and specificproperties (Designations 1-7).4.4.3 To facilitate the incorporation of fu
31、ture or specialmaterials not covered by Table S-PEI, the as-specified category(00) for type, class, and grade is shown on the table with thebasic properties to be obtained from Table 1, as they apply (see4.5).4.4.4 Reinforcements and Additive MaterialsA symbol(single letter) shall be used for the ma
32、jor reinforcement orcombination or both along with two numbers that indicate thepercentage of addition by mass with the tolerances as tabulatedbelow. This shall be included in all Table 1 callouts (see 4.5,Example 5).Symbol Material Tolerance(Based on the Total Mass)C Carbon andgraphite fiber62%G Gl
33、ass 62%L Lubricants(for example,PTFE, graphite,silicone, andmolybdenum disulfide)by agreementbetween thesupplier andthe userD7293063M Mineral 62%R Combinations ofreinforcements orfillers or both63 % for the total rein-forcement4.5 Callout DesignationA one-line system shall be usedto specify material
34、s covered by this test method. The systemuses predefined cells to refer to specific aspects of this testmethod as illustrated in the following examples:4.5.1 Description:4.5.1.1 Example 1Product made from general purposePEI 0111:CELL CALLOUT: S-PEI01114.5.1.2 Example 2Product made from extruded PEI,
35、 30 %glass-reinforced:CELL CALLOUT: S-PEI02134.5.2 The examples illustrate how a one-line, alphanumericsequence can identify the product composition, commercialparameters, and physical characteristics of extruded product. Aspace shall be used as a separator between the specificationnumber and the ty
36、pe designation. No separators are neededbetween type, class, and grade. When special notes are to beincluded, such information shall be preceded by a comma.Special tolerances shall be noted at time of order and areinserted after the grade in parentheses and preceded by acomma.5. Physical Properties5
37、.1 The physical property values listed within this testmethods tables are to be considered minimum specificationvalues. Any requirement for specific test data for a givenproduction lot shall be specified at the time of order. Physicalproperties for products not yet included in Table S-PEI shall besp
38、ecified using Table 1 for extruded products.6. Dimensions6.1 The type, class, and grade shall be further differentiatedbased on dimensional stability (elevated temperature excursiontest), Table S-PEI, and dimensional requirements, Tables A andB. Products shall be produced within commercial tolerance
39、sand with the lowest stress levels for machined parts asdelineated in Tables A and B for compression-molded extrudedproducts. The manner in which the tolerances are obtained isnot relevant. This shall be designated in each callout asreferenced in 4.5, Examples 1 and 2.6.2 Tubular bar dimensions shal
40、l be supplied in the unfin-ished condition, unless otherwise specified at time of order,sufficient to finish to the nominal dimension ordered.6.3 The maximum allowable camber or bow or both shall bewithin the limits referenced in Tables A and B.7. Workmanship, Finish and Appearance7.1 AppearanceThe
41、color of products shall be as pub-lished by the shapes manufacturer. They shall be uniform incolor throughout the thickness. Specific colors and colormatching only as agreed to by order. In some cases, physicalproperties are affected by colors.7.2 FinishAll products shall be free of blisters, wrinkl
42、es,cracks, gouges, and defects that restrict commercial use of theproduct. Special surface finish shall be supplied only whenspecified in the purchase order or contract.7.3 DefectsAll products shall be free of voids, dirt,foreign material, and embedded particles exceeding132-in.0.8-mm maximum diamet
43、er as defined in 7.3.1.7.3.1 The criteria for determining the internal cleanlinessshall be external visual inspection. A maximum number of twointernal defects per square foot of plate/sheet and 1-ft 0.3-mlength of rod and tubular bar. Clusters of defects less than132-in. 0.8-mm diameter shall be cou
44、nted as a single defect.8. Sampling8.1 Sampling shall be statistically adequate to satisfy therequirements of this test method as applicable.8.2 For purposes of sampling, an inspection lot for exami-nation and tests shall consist of all material of the same type,class, grade, and nominal size submit
45、ted for inspection at onetime.9. Number of Tests9.1 Routine lot inspection shall consist of all the criteriaspecified in the applicable product tables.9.2 The criteria listed in these product tables and definitionsare sufficient to establish conformity of the sheet, plate, rod, ortubular bars to thi
46、s test method. When the number of testspecimens is not stated in the test method, a single determina-tion shall be made. If more than single determinations andseparate portions of the same sample are made, the results shallbe averaged. The final result shall conform to the requirementsprescribed in
47、this test method.10. Test Conditions PEI10.1 Conditioning of SpecimensThe specification valuesand dimensions are based on Practice D 618, Procedure A.10.2 Standard TemperatureThe tests shall be conducted atthe standard laboratory temperature of 73.4 6 3.6F 23 62C and 50 6 5 % relative humidity (RH).
48、11. Test Methods11.1 Tensile strength at break, elongation at break, andtensile modulus (tangent) in accordance with Test MethodD 638, at the rate of 0.2 in./min:11.1.1 All plate and sheet specimens in accordance withTest Method D 638, Type I.11.1.2 All rod specimens in accordance with Test MethodD
49、638.11.1.3 All tubular bar specimens in accordance with TestMethod D 638.11.2 Dimensional Stability:11.2.1 Specimen Preparation (a minimum of three testsamples required).11.2.1.1 Rods and Tubular BarEach specimen shall beprepared by cutting a 1.5-in. 4-cm long slice from the shapeto be tested. The slice shall th
